100 lines
2.9 KiB
C++
100 lines
2.9 KiB
C++
#include "ruledialog.h"
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#include "ui_ruledialog.h"
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#include "qmessagebox.h"
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RuleDialog::RuleDialog(QWidget *parent) :
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QDialog(parent),
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ui(new Ui::RuleDialog)
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{
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ui->setupUi(this);
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setWindowFlags(Qt::WindowStaysOnTopHint);
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setUrlFactory = new core::UrlFactory;
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CurrentPoint = 1;
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}
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RuleDialog::~RuleDialog()
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{
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emit isWindowClose(ID);
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delete ui;
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}
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double RuleDialog::GetDiatance(internals::PointLatLng P1,internals::PointLatLng P2)
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{
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double EarthRadiusKm = 6378.137;
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double dLat1InRad = P1.Lat() * (M_PI / 180);
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double dLong1InRad = P1.Lng() * (M_PI / 180);
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double dLat2InRad = P2.Lat() * (M_PI / 180);
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double dLong2InRad = P2.Lng() * (M_PI / 180);
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double dLongitude = dLong2InRad - dLong1InRad;
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double dLatitude = dLat2InRad - dLat1InRad;
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double a = pow(sin(dLatitude / 2), 2) + cos(dLat1InRad) * cos(dLat2InRad) * pow(sin(dLongitude / 2), 2);
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double c = 2 * atan2(sqrt(a), sqrt(1 - a));
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double dDistance = EarthRadiusKm * c;
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return dDistance;
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}
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double RuleDialog::GetHeading(internals::PointLatLng P1,internals::PointLatLng P2)
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{
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double temp;
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double mLat = P2.Lat() - P1.Lat();
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double mLon = (P2.Lng() - P1.Lng())* cos(((P2.Lat() + P1.Lat())/2)* 0.0174532925);
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temp = 90.0 + atan2(-mLat, mLon) * 57.2957795;
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if(temp < 0)temp += 360.0;
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return temp;
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}
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void RuleDialog::RulePoint(internals::PointLatLng LatLng)
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{
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switch(CurrentPoint) {
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case 1:{
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Point1.SetLat(LatLng.Lat());
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Point1.SetLng(LatLng.Lng());
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ui->FirstPointLatitude->setText(QString::number(LatLng.Lat(),'f',8));
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ui->FirstPointLongitude->setText(QString::number(LatLng.Lng(),'f',8));
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CurrentPoint = 2;
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} break;
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case 2:{
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Point2.SetLat(LatLng.Lat());
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Point2.SetLng(LatLng.Lng());
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ui->SecondPointLatitude->setText(QString::number(LatLng.Lat(),'f',8));
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ui->SecondPointLongitude->setText(QString::number(LatLng.Lng(),'f',8));
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} break;
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default: LatLng = LatLng;
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break;
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}
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}
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void RuleDialog::ShowMousePos(internals::PointLatLng LatLng)
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{
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ui->MouseLatitude->setText(QString::number(LatLng.Lat(),'f',8));
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ui->MouseLongitude->setText(QString::number(LatLng.Lng(),'f',8));
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}
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void RuleDialog::on_SelectFirstPointButton_clicked()
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{
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CurrentPoint = 1;
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emit GetPoint(1);
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}
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void RuleDialog::on_SelectSecondPointButton_clicked()
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{
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CurrentPoint = 2;
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emit GetPoint(2);
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}
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void RuleDialog::on_ConformButton_clicked()
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{
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double Distance;
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Distance = GetDiatance(Point1,Point2);
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ui->TwoPointDistance->setText(QString::number(Distance,'f',6) + "km");
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double Heading;
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Heading = GetHeading(Point1,Point2);
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ui->TwoPointAngle->setText(QString::number(Heading,'f',2) + "°");
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CurrentPoint = 1;//获取结束后从新选择第一点
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}
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